Description

Bernie Thompson’s ABC’s of Injector On-Time

This Just-in-Time Training program contains four animated sections describing how the vehicle PCM processes sensor data to calculate injector on-time. Finally, a program that explains this important process.

It also includes an extensive explanation of how fuel trim maintains the correct air/fuel ratio, and then alerts the onboard diagnostic system to excessive fuel corrections.

• Chapter 1 – Fuel Trim 1
• Chapter 2 – Fuel Trim 2
• Chapter 3 – Volumetric Efficency